Added by: jwalgrenThis picture helps show just how steep the Great Wall is in some places.
Added by: jwalgrenThe Great Wall of China is located in northern China and was built to help
Added by: jwalgrenA picture of the Great Wall taken in 1907.Great Wall of China
Added by: jwalgrenThis picture helps show just how steep the Great Wall is in some places.Added by: jwalgrenThe Great Wall of China is located in northern China and was built to helpAdded by: jwalgrenA picture of the Great Wall taken in 1907.